Answer: The DBMS is a software system that explains the four types of actions, which are defining, constructing, manipulating, and sharing databases among various users and applications.
Answer:
Discretionary Access Control model
Explanation:
Discretionary Access Control (DAC) gives owners of a resource full control of objects/items they have created or been given access to, this also includes sharing the objects/items with other subjects. These owners have control over their data and maintain access through ACLs. The access-control list (ACL), is a list of permissions attached to an object in a computer file system.
The Owners can decide to grant other users access to their files, change their attributes, alter them, or delete them. DACs are discretionary because the owner can transfer information access to other users.
Answer:
a tactile input device
Explanation:
Based on the scenario being described it can be said that the best assistive technology for Bernard would be a tactile input device. Such a device would allow Bernard to physically interact with the print on the chalkboard or overhead screen from the device itself without having to actually get close to the chalkboard or screen. Thus allowing him to view its content from the palm of his hand.
Answer: Option (a) ,(c) and (e) can become a solution for the problem.
Option(b) and (d) are not exactly a solution to the issue rather can be considered on temporary basis
Explanation: Windows Task Manager is used for processing task taking place in the system and monitors the performance of that task or program that is running.To stop the unnecessary program execution on the system. methods like searching the source of the program from Task scheduler, startup files or registry key that initiated the execution that unwanted task.
Methods like disabling the program by using Msconfig and Task manager will only deactivate them but they are not eliminated from the source .Thus the appropriate answers would be option(a), (c) and (e).
